ASROCK Z87 Extreme9/ac Quick Install Manual page 151

SLI/XFIRE
4 SLI/XFIRE_
PWR1
p.1 No. 30
5 IR1
p.1 No. 29
9 COM1
p.1 No. 31
IRTX
+5VSB
DUMMY
1
GND
IRRX
RRXD1
DDTR#1
DDSR#1
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
Z87 Extreme9/ac
2
COM1
149